PA-22Tri-Pacer · Colt

Parts most often named P-Lead (4)

DURING RUNUP AFTER ANNUAL INSPECTION, LT MAG WAS NOT WORKING. FOUND INSULATION ON P-LEAD WIRE WAS DETERIORATING AND SHORTING TO SHIELDING CAUSING MAG TO BE CONTINUOUSLY GROUNDED NO MATTER WHAT SWITCH POSITION WAS. REPLACED SECTION OF P-LEAD AS REQUIRED. THIS WIRING IS DIRECTLY ABOVE EXHAUST AND DETERIORATION WAS PROBABLY CAUSED BY HEAT OF EXHAUST SYSTEM OVER TIME.

DURING RUNUP AFTER ANNUAL INSPECTION, LEFT MAG WAS NOT WORKING. FOUND INSULATION ON P-LEAD WIRE WAS DETERIORATING AND SHORTING TO SHIELDING CAUSING MAG TO BE CONTINUOUSLY GROUNDED NO MATTER WHAT SWITCH POSITION WAS. REPLACED SECTION OF P-LEAD AS REQUIRED. THIS WIRING IS DIRECTLY ABOVE EXHAUST AND DETERIORATION WAS PROBABLY CAUSED BY HEAT OF EXHAUST SYSTEM OVER TIME.

Parts most often named Rib (4)

Parts most often named Bolt (2) · Camshaft (1) · Stud (1)

SUDDEN STOPPAGE OF ENGINE. AFTER SUCCESSFUL OFF AIRPORT LANDING, ENGINE WAS INSPECTED AND FOUND CYLINDER NR 2 CONNECTING ROD BOLTS BROKEN/MISSING. BOLTS WERE INSTALLED IN SEPTEMBER 1999 AND HAD ACCUMULATED 487 HOURS.

THIS ONE OUT OF EIGHT NEW CONNECTING ROD BOLTS STRETCHED AND DECREASED IN DIAMETER WHEN BEING TORQUED TO OEM SPECIFICATION DURING ENGINE OVERHAUL. ALL EIGHT BOLTS ARE 'NOT' BEING PUT INTO [S/N removed]. BOLT WOULD NOT TORQUE TO OEM SPECIFICATIONS.

Parts most often named Fuel Cap (4)

NEW FUEL CAP DID NOT VENT. FUEL TANK WAS PARTIALLY COLLAPSED AND SPEWING SOUND WAS COMING FROM THE CAP. CAP WAS TURNED FOR REMOVAL AND WHEN THE INDENTS RELEASED THE CAP, THE TANK POPPED BACK UP IN PLACE. THE CAP DOES NOT SHOW ANY DEFORMATION OR DAMAGE, IT APPEARS NORMAL IN ALL RESPECTS. SUGGEST A TESTING PROCEDURE BE DEVISED BEFORE THESE CAPS ARE INSTALLED.

AIRCRAFT WAS AT A CRUISE ALTITUDE OF 1800 FT WHEN ENGINE QUIT RUNNING. MADE AN EMERGENCY LANDING IN A HAY FIELD. FUEL SELECTOR WAS SELECTED ON RT TANK. POST INSPECTION FOUND ORIGINAL TYPE FUEL CAP VENTING WAS BLOCKED (RT TANK). INSPECTION OF FUEL AND OIL SCREENS WERE NORMAL. ENGINE SUBSEQUENTLY STARTED AND RAN NORMALLY. CAUSE OF BLOCKAGE IN FUEL CAP IS UNKNOWN.

(2) PILOTS HAD FUEL STARVATION. BOTH PILOTS, ON LANDING, CHECK RIGHT WING TANKS AND HEARD HISSING SOUND. EXAMINED CAPS AND FOUND NOW VENT HOLES. BOTH CAPS SEEMED NEW AND MADE OF ALUMINUM. CHANGED CAPS TO VENTED STYLE, HAD NO FURTHER TROUBLE.

Parts most often named Blade (2) · Propeller (1)

(CAN) AIRWORTHINESS DIRECTIVE 66-23-02, ONE TIME NON REPETITIVE AD ONLY PARTIALLY COMPLIED WITH. CORROSION FROM WATER BASED DECALS STILL ON THE BLADES. THIS IS THE FIRST SHOP VISIT FOR THIS PROPELLER SINCE IMPORT INTO CANADA IN 1967.

(CAN) PROPELLER RECEIVED FOR REPITCH. INSPECTION FOUND THE PROPELLER BLADES BENT WITH GOUGES AND CORROSION WHICH REQUIRED GRINDING AND FILLING.

Parts most often named Tubular Frame (1) · Tube Frame (1) · Frame (1)

MANUFACTURER USED A SMALL WELD DOT TO SNUB VIBRATION IN THE TOP OF THE LOWER FRONT DOOR CHANNEL. VIBRATION IN THE COWL WRAPPER/DOOR CHANNEL FATIGUED A .1250 INCH BY .25 INCH HOLE IN THE DOOR TUBE. THIS TUBE CONNECTS THE FRONT WING FITTING TO THE LOWER LONGERON. FOUND ON TEAR DOWN FOR REBUILD. WOULD NOT NORMALLY BE INSPECTED.

A COMBINATION OF AN UNCORRECTED WATER LEAK AT A WINDOW AND DIRT HELD BETWEEN THE LONGERON/INTERIOR FABRIC RESULTED IN A BADLY PITTED LONGERON. SUBMITTER STATED SHOULD FIX LEAKS AND CLEAN.

INSTRUMENT PANEL CROSS-TUBE CRACKED AT BRAKE LEVER MOUNTING BRACKET WELD (MORE THAN ONE-FOURTH OF CIRCUMFERENCE). THE BRAKE LEVER PUTS A HIGH STRESS ON THE MOUNTING BRACKET WHEN THE BRAKES ARE APPLIED. THE CRACK IS LOCATED UNDER THE INSTRUMENT PANEL AND VERY DIFFICULT TO SEE.

Parts most often named Lens (1) · Sign (1) · Bulb (1)

DFW EMERGENCY LIGHT PLACARD AT AFT LT HAND DOOR DAMAGED. REPLACED PLACARD FOR EMERGENCY LIGHT AT AFT LT HAND DOOR. SYSTEM GROUND CHECKED NORMAL OPS.

ORD - EMERGENCY LIGHT AT LEFT NUMBER FOUR DOOR MISSING LENS. REPLACED LENS AT LEFT NUMBER FOUR DOOR. SYSTEM GROUND CHECKED NORMAL OPERATION.

LAS - MAINTENANCE REPORTED EMERGENCY FLOOR LIGHTS AT ROW 11 AND 17 INOPERATIVE. MAINTENANCE REPLACED THE LIGHT BULBS IAW 33-53-00. SYSTEM OPERATIONALLY CHECKED GOOD. AIRCRAFT RETURNED TO [S/N removed].

Parts most often named Clamp (3)

Parts most often named Valve (1) · Brake (1) · Cylinder (1)

AFTER REPAIRS TO BELLY, LANDING GEAR, AND ENGINE, THE FIRST GROUND RUN WAS PERFORMED. THE LEFT BRAKE LOCKED UP AND WOULD NOT RELEASE. THE INVESTIGATION REVEALED THE PARK BRAKE RELEASED THE RIGHT BRAKE, BUT WOULD NOT FULLY RELEASE THE LEFT BRAKE. THE REMEDY WAS TO SECURE THE PARK BRAKE CABLE END CLOSER TO THE BRAKE VALVE CONTROL ARM MAKING THE ACTUATION OF THE PARK BRAKE VALVE MUCH MORE POSITIVE ALL THE WAY TO THE STOPS.

Parts most often named Carburetor (2) · Mixing Valve (1)

COMPLAINT OF ROUGH RUNNING ENGINE, FOUND UPPER AND LOWER HALF OF CARBURETOR LOOSE ENOUGH SO LOWER HALF COULD BE SLID BACK AND FORTH. TOOK CARBURETOR APART, A VERY OLD STYLE VENTURI THAT AD APPLIED TO BUT IT NEVER GOT CHANGED. SENT CARBURETOR OUT FOR O/H. ACFT HAD BEEN IN STORAGE FOR MANY YEARS BEFORE CURRENT OWNER BROUGHT IT AND STARTED FLYING IT AGAIN.

MIXTURE CONTROL VALVE BRASS END FITTING ON THE END OF THE FLEX SHAFT, LOOSE, WOULD NOT ALLOW THE MIXTURE CONTROL TO SHUT DOWN THE ENGINE. (K)